40564976 has 20 divisors (see below), whose sum is σ = 78697344. Its totient is φ = 20256000.

The previous prime is 40564967. The next prime is 40564991. The reversal of 40564976 is 67946504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18161 + ... + 20271.

Almost surely, 2^40564976 is an apocalyptic number.

It is an amenable number.

40564976 is a deficient number, since it is larger than the sum of its proper divisors (38132368).

40564976 is a wasteful number, since it uses less digits than its factorization.

40564976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320 (or 3314 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 40564976 is about 6369.0639814654. The cubic root of 40564976 is about 343.5978263747.

The spelling of 40564976 in words is "forty million, five hundred sixty-four thousand, nine hundred seventy-six".